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Element numbering for .dat file - Version 9.4

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Element numbering for .dat file - Version 9.4

Posted by Chen SONG at April 08. 2020

Re: Element numbering for .dat file - Version 9.4

Posted by Chen SONG at April 08. 2020
Sorry for the first post, I could not enter any text. So my problem is:
 
I rely on the element numbering from .dat file when I export meshes, which means the element numbering in the global mesh and the numbering in the sub-meshes are consistent. I realize that in Version 9.4 is not the case anymore. It is a bug or new design?
 
Thank you your answers and regards

Re: Element numbering for .dat file - Version 9.4

Posted by SMESH expert at April 08. 2020
Hello
Could you explain your issue by an example? It's not clear for me.
Best regards
Edward

Re: Element numbering for .dat file - Version 9.4

Posted by Chen SONG at April 08. 2020
Hi Edward,
 
thanks for your quick answer, so my problem is, imaging I generate a mesh in Mesh module, and this mesh contains one group (edges, face, etc.).
 
When I export the mesh and its groups to .dat format, for example: Mesh_1.dat and Group_1.dat.
 
In the old version, for the same element, its number in Group_1.dat is the same as in Mesh_1.dat.
 
But in version 9.4, the number of a same element in Group_1.dat and Mesh_1.dat is not the same anymore.
 
This is a new change in 9.4?
 
I hope I explained well my problem, thanks for your help.
Chen
 

 

Re: Element numbering for .dat file - Version 9.4

Posted by SMESH expert at April 08. 2020

Dear Chen,

Someone on this forum complained that numeration at export can be not continuous from 1 till nbOfElements and can have holes.  We addressed that complain in 9.4.

To take into account your note, I will add an option to switch off that new behavior. Unfortunately now it is too late to include this modification into v9.5.

Best regards

Edward

Re: Element numbering for .dat file - Version 9.4

Posted by SMESH expert at April 08. 2020

Consider using another format, which directly support groups, UNV for example.

Re: Element numbering for .dat file - Version 9.4

Posted by Chen SONG at April 08. 2020
Dear Edward,
 
thanks a lot for your kind reply. According to your answer, I hope this feature can be back very soon.
 
Best regards
Chen

 

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